21255146

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{2017}}^1$

素因数の和:2509

約数の個数: 16

約数和(自身を含む): 34871040

約数和(自身を除く): 13615894

約数列:

[1, 2, 11, 22, 479, 958, 2017, 4034, 5269, 10538, 22187, 44374, 966143, 1932286, 10627573, 21255146]

約数ペア:

[(1, 21255146), (2, 10627573), (11, 1932286), (22, 966143), (479, 44374), (958, 22187), (2017, 10538), (4034, 5269)]